Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 14e95f3..772d0d0 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -538,7 +538,7 @@
 
 	/*
 	 * If enhanced_area_en is TRUE, host needs to enable ERASE_GRP_DEF
-	 * bit.  This bit will be lost everytime after a reset or power off.
+	 * bit.  This bit will be lost every time after a reset or power off.
 	 */
 	if (card->ext_csd.enhanced_area_en) {
 		err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,